public void InvalidNodeStatisticStream_Throws_ArgumentException(string value)
{
var storage = new KongoDataStorage($"Data Source={Path.GetRandomFileName()}");
storage.Database.EnsureCreated();
var opts = new KongoOptions()
{
ApplicationStartedOn = DateTimeOffset.UtcNow
};
_processor = new NodeStatisticsProcessor(storage, opts);
storage.Database.EnsureDeleted();
Assert.ThrowsAsync <ArgumentException>(() => _processor.ProcessNodeStatistics(value));
}
public async Task ProcessValidNodeStatisticStream(string value)
{
var storage = new KongoDataStorage($"Data Source={Path.GetRandomFileName()}");
storage.Database.EnsureCreated();
var opts = new KongoOptions()
{
ApplicationStartedOn = DateTimeOffset.UtcNow
};
_processor = new NodeStatisticsProcessor(storage, opts);
var nodeStats = await _processor.ProcessNodeStatistics(value);
storage.Database.EnsureDeleted();
Assert.True(nodeStats != null, "nodeStats == null");
Assert.True(nodeStats.BlockRecvCnt > 0, $"BlockRecvCnt = {nodeStats.BlockRecvCnt}");
Assert.True(nodeStats.LastBlockTime != default, $"LastBlockTime = {nodeStats.LastBlockTime}");
}
protected override async Task ExecuteAsync(CancellationToken stoppingToken)
{
while (!stoppingToken.IsCancellationRequested)
{
using (var client = new HttpClient())
{
var uirScheme = _opts.RestUri.Split(':')[0];
var host = _opts.RestUri.Split(':')[1].Substring(2);
var portPart = _opts.RestUri.Split(':')[2];
Int32.TryParse(portPart, out int port);
var requestUri = new UriBuilder(uirScheme, host, port, "api/v0/node/stats");
try
{
var response = await client.GetAsync(requestUri.Uri);
string content = await response.Content.ReadAsStringAsync();
if (_opts.Verbose || _opts.VerboseNodeStats)
{
var currentForeground = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine(requestUri.Uri.ToString());
Console.WriteLine(response);
Console.WriteLine(content);
Console.WriteLine();
Console.ForegroundColor = currentForeground;
}
//will throw an exception if not successful
response.EnsureSuccessStatusCode();
var nodeStatistics = await _processor.ProcessNodeStatistics(content);
_kongoStatus.PoolState = nodeStatistics.State;
_kongoStatus.CurrentBlockDate = nodeStatistics.LastBlockDate;
if (long.TryParse(nodeStatistics.LastBlockHeight, out long blockHeight))
{
_kongoStatus.CurrentBlockHeight = blockHeight;
}
else
{
_kongoStatus.CurrentBlockHeight = 0;
}
_kongoStatus.LastBlockReceivedAt = nodeStatistics.LastBlockTime.Value;
_kongoStatus.PoolUptime = TimeSpan.FromSeconds(nodeStatistics.Uptime);
_sb.Clear();
_sb.AppendLine($"NodeStatistics running on {_opts.PoolName}, at: {DateTimeOffset.Now}");
_sb.AppendLine();
_sb.AppendLine($"BlockRecvCnt: {nodeStatistics.BlockRecvCnt}");
_sb.AppendLine($"LastBlockDate: {nodeStatistics.LastBlockDate}");
_sb.AppendLine($"LastBlockFees: {nodeStatistics.LastBlockFees}");
_sb.AppendLine($"LastBlockHash: {nodeStatistics.LastBlockHash}");
_sb.AppendLine($"LastBlockHeight: {nodeStatistics.LastBlockHeight}");
_sb.AppendLine($"lastBlockSum: {nodeStatistics.lastBlockSum}");
_sb.AppendLine($"LastBlockTime: {nodeStatistics.LastBlockTime}");
_sb.AppendLine($"LastBlockTx: {nodeStatistics.LastBlockTx}");
_sb.AppendLine($"TxRecvCnt: {nodeStatistics.TxRecvCnt}");
_sb.AppendLine($"Uptime: {nodeStatistics.Uptime}");
_sb.AppendLine();
_logger.LogInformation(_sb.ToString());
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
if (ex.InnerException != null)
{
_logger.LogError(ex.InnerException, ex.InnerException.Message);
}
}
}
await Task.Delay(30000, stoppingToken);
}
}
